The phrase "a declaration that could" is correct and usable in written English.
It can be used when discussing a statement or announcement that has the potential to lead to a certain outcome or effect.
Example: "The committee issued a declaration that could change the course of the project significantly."
Alternatives: "a statement that might" or "an announcement that has the potential to".
It is impossible to conceive today – joking apart – of a "Johnson declaration" that could have even a fraction of the impact of the one made by Balfour.
Bolton told senior officials working on Syria policy that Trump, during a no-notes meeting alone with Russian President Vladimir Putin in Helsinki in July, had insisted that U.S. troops would stay in Syria until Moscow forced out its Iranian allies — an ambitious declaration that could keep the Americans there for years.
But the rare coalition of Democrats and Republicans could bolster legal challenges to the emergency declaration that could tie up wall funding indefinitely.
As they balance these competing imperatives, Republicans said they planned to move deliberately at first and avoid declarations that could box them in.
However, when analyzing the descriptive results, there were virtually no striking outliers such as unusually old age declarations that could have been interpreted as voluntary or involuntary false and misleading statements.
"And it is said that Amin, upon receiving a list of these prisoners, shot them dead that night in order to eliminate the issue, and then said in a declaration that they could not have been exchanged for Dubs because they could not be located". When asked who killed Dubs, Mazdak replied: "It's difficult to say, because none of the kidnapers remained alive.
Germany has pressed for a declaration that it could be used only if all nations agree and as a last resort — a formulation that is useful for German domestic politics but one that several countries fear would cause market uncertainty.
That was what Ms. Pearson considered the happy ending 10 years ago, and it was still rather radical, a declaration that women could just walk away from a structure that did not work for them.
The Holder plaintiffs sought a declaration that they could give money to, among other things, "engage in political advocacy on behalf of Kurds who live in Turkey" and "teach PKK members how to petition various representative bodies such as the United Nations for relief".
